The victims: The death toll has risen to 359 people. Hundreds more were injured in the attacks, which targeted several churches and luxury hotels.

Second wave of attacks planned? The National Tawheed Jamath (NTJ) group has been implicated by the Sri Lankan government, but it has not claimed the bombings. A high-level intelligence official told CNN that NTJ was also planning another set of attacks.

10:32 p.m. ET, April 23, 2019

Sri Lanka to restructure security divisions in wake of attack

Sri Lankan security personnel on high alert on the evening of April 23 in Colombo, Sri Lanka. Atul Loke/Getty Images

Changes in top positions in Sri Lanka’s security divisions will be made within 24 hours, President Maithripala Sirisena said Tuesday in a video message to the nation.

“I expect to conduct a complete restructuring of security divisions,” including the army and police, in the coming week, he said.

“Mainly within the next 24 hours I expect to make changes in top positions of security divisions,” Sirisena added.